Re: Convert UTM to Longitude/Latitude?



"Fred Bartoli"
<fred._canxxxel_this_bartoli@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx> wrote:

>
>"Terry Pinnell" <terrypinDELETE@xxxxxxxxxxxxxxxxxxx> a écrit dans le message
>de news:oius51ht59v7553sbne0pmqoebddksl8ri@xxxxxxxxxx
>> I'm using an interesting Spanish map source at
>> http://sigpac.mapa.es/fega/visor/
>>
>> Having zoomed to an area around Competa and Canillas (a few miles NW
>> of Malaga in Andalucia, southern Spain), I want to read the long/lat
>> (DDD.dddd) of a few locations, for calibrating some GPS tracks I
>> recorded on a short walking holiday there last week. But the site
>> shows UTM co-ordinates, with which I'm unfamiliar. For example I see
>> these:
>>
>> COORDENADAS UTM
>> ---------------
>> X : 408446.95
>> Y : 4080382.00
>> Huso : 30
>>
>> So how do I convert UTM to Long/Lat please? After some googling, I
>> downloaded a simple conversion program called utm2dll. However, it
>> asks for a Zone number and letter. Is the zone the number
>> I see against 'Huso' please? And what is the zone letter? I see
>> nothing about that anywhere on the map...
>>
>> Presumably the conversion is not quite as easy as say Fahrenheit to
>> Centigrade, but I'm hoping it's closer to that than Laplace
>> Transforms. <g>
>>
>
>Hi Terry,
>
>I'm not familiar with the different coordinates conversion, but I routinely
>use a GPS for flying (paragliding) and mine, and I guess almost all the GPS,
>accepts all the coordinates systems, since the one officially used depends
>on the country.
>
>Have a look at your GPS menus and you'll probably find how to make it uses
>the UTM coordinates.
>
>In case you don't find it, make a file with all your coordinates, and I'll
>submit it to the prog I use to manage my flights and I'll return you it
>converted to the one you want.

Thanks, Fred. Yes, my Garmin GPS 12 can handle UTM, but during the
week I recorded these walks I had it set to Lat/Long DD.DDDDD. I've
since found very few maps, but most of those have used Lat/Long. And I
have managed a couple of calibration points for one of them. But this
latest discovery, the SigPac site, is better in most respects - except
it uses UTM!

However, based on your post, I'll try making a one-line waypoint file
and upload it to my GPS unit, then play with changing the settings.


--
Terry Pinnell
Hobbyist, West Sussex, UK

.



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